(19)

(11)

EP 1 310 013 A2

(12)

(88) Date of publication A3: 10.05.2002 (43) Date of publication: 14.05.2003 Bulletin 2003/20 (21) Application number: 01958966.2 (22) Date of filing: 17.07.2001

(51) International Patent Classification (IPC)7: H01Q 1/12, H01Q 3/08 (86) International application number: PCT/US0122/337 (87) International publication number: WO 0201/5324 (21.02.2002 Gazette 2002/08)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 10.08.2000 US 635937 (71) Applicant: Raytheon Company Lexington,Massachusetts 02421 (US)	(72) Inventor: HARRIS, Joel Northborough, MA 01532 (US) (74) Representative: Jackson, David Spence  REDDIE & GROSE16, Theobalds Road London, WC1X 8PL London, WC1X 8PL (GB)